OpenTechnical

OT-2026-000061510

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061510) never changes.

Identity and time

Publication numberOT-2026-000061510 · never reused
Internal UUID01a0ae8b-7b44-70e9-ab75-b8cf5570d189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061510
StatusPUBLIC

Content hashes

Canonical text7e559bc2035b13f00418c3142e7efbb39cd12bfb5ae32e2b2387a702b55c80eb
Markdown911e48cb2e999bc2b0be2933a7c33d00a0354d4b1b701ee7db3d27ffbbb6d14a
PDF
Publication pagee4e58598e2a010cb74a231c43cee0e735393da72e7b6c54d92b76cef4dbbaa38
Manifest5be56be6c2359ebd103c9d829b66bc59dd1d67c8e8c6ae9298776842cd631dbe

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepFjECsT9Iy/+qk4hX/NNwT7J5oELBdqe2mgz+CWdemC+JZaF5wvSjlrkwYbPu24/1GUPgrC+FjG8gUau2bE9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:24.421346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061510
observed e4e58598e2a010cb74a231c43cee0e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.402518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061510/manifest.json
observed 5be56be6c2359ebd103c9d829b66bc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.384040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061510/publication.md
observed 911e48cb2e999bc2b0be2933a7c33d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.364453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061510/publication.txt
observed 7e559bc2035b13f00418c3142e7efbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.